CN211178255U

CN211178255U - Pore-forming quality detection device

Info

Publication number: CN211178255U
Application number: CN201922082479.9U
Authority: CN
Inventors: 顾欣; 杨国兴; 汪梦骐
Original assignee: Jiangsu Yadao Construction Engineering Testing Co ltd
Current assignee: Jiangsu Yadao Construction Engineering Testing Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-04
Anticipated expiration: 2029-11-27

Abstract

The utility model relates to a pore-forming quality detection device, which comprises a base frame, a hollow pipe vertically arranged on the base frame and an intermediate pipe coaxially arranged in the hollow pipe, wherein a fixing part for fixing the intermediate pipe is arranged in the base frame, the intermediate pipe is externally and slidably connected with a support ring, a plurality of adjusting cylinders are arranged on the side wall of the support ring at equal intervals in the circumferential direction, a slide bar is slidably connected in each adjusting cylinder, a groove is formed in the slide bar, a dial indicator and a measuring bar are arranged in the groove, the measuring bar is slidably connected in the groove, one end of the measuring bar is abutted against a measuring head of the dial indicator, the other end of the measuring bar is rotatably connected with; the adjusting cylinder and the sliding rod are respectively provided with a first support and a second support, the first support is rotatably connected with a stud, one end of the stud penetrates through the second support and is in threaded connection with the second support, and the adjusting cylinder is provided with a through groove for the second support to move. The utility model discloses have the effect that makes things convenient for the operator to detect the pore-forming aperture.

Description

Pore-forming quality detection device

Technical Field

The utility model belongs to the technical field of the pore-forming detects technique and specifically relates to a pore-forming quality detection device is related to.

Background

Along with the continuous development of bridge construction technology, cast-in-situ bored piles are more and more widely used in engineering due to the advantages of large bearing capacity, good stability, small settling volume and the like, and in the construction process of the cast-in-situ bored piles, pore-forming detection is taken as an important process in the construction process of a pile foundation.

Chinese patent publication No. CN208795139U discloses a mechanism for measuring the depth of a pile foundation hole, which is used for measuring the depth of a foundation pit on a foundation, and comprises: the utility model discloses a foundation ditch foundation.

But still need detect the aperture of pore-forming when actual construction, whether satisfy design and standard requirement, consequently the utility model provides a make things convenient for operator to detect device in pore-forming aperture.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pore-forming quality detection device, its advantage is: the operator can conveniently detect the pore-forming aperture.

The above technical purpose of the present invention can be achieved by the following technical solutions: a pore-forming quality detection device comprises a base frame, a hollow pipe vertically arranged on the base frame and an intermediate pipe coaxially arranged in the hollow pipe, wherein a fixing part for fixing the intermediate pipe is arranged in the base frame, a support ring is connected to the outside of the intermediate pipe in a sliding manner, a plurality of adjusting cylinders are circumferentially arranged on the side wall of the support ring at equal intervals, a sliding rod is connected to each adjusting cylinder in a sliding manner, a groove is formed in each sliding rod, a dial indicator and a measuring rod are arranged in each groove, the measuring rod is connected to the groove in a sliding manner, one end of the measuring rod is abutted to a measuring head of the dial indicator, the other end of the measuring rod is rotatably connected with a guide wheel; the adjusting cylinder and the sliding rod are respectively provided with a first support and a second support, the first support is rotatably connected with a stud, one end of the stud penetrates through the second support and is in threaded connection with the second support, the adjusting cylinder is provided with a through groove for the second support to move, and the base frame is provided with a driving piece for driving the support ring to ascend and descend.

By adopting the technical scheme, during detection, an operator firstly puts the whole measuring rod into the formed hole, rotates the stud to drive the sliding rod to move towards the direction close to the inner wall of the formed hole, and continues to rotate the stud after the guide wheel is abutted against the inner wall of the formed hole, so that the measuring rod is abutted against the measuring head of the dial indicator, and the dial indicator is subjected to zero calibration; after the zero calibration is finished, an operator opens the camera, the supporting ring is lowered by using the driving piece, the guide wheel moves along the inner wall of the formed hole, and the camera records a video on the dial indicator; when the support ring moves to the bottom of the hole, the driving piece starts to lift the support ring to move the support ring out of the hole, an operator checks a video, if a pointer of the dial indicator does not swing or the swing amplitude is small, the hole-forming aperture meets the requirement, if the swing amplitude of the dial indicator is too large, the hole-forming aperture does not meet the requirement, the operation is simple, visual, convenient and quick, and meanwhile, the sliding rod can be movably arranged, so that the device can adapt to detection of different apertures, and the application range of the device is enlarged; the middle pipe provides a guiding function for the support ring, so that the deflection of the support ring is reduced, and the precision of a detection result is improved; in addition, the fixing piece enables an operator to adjust the inserting length of the middle pipe according to the actual depth of the formed hole, so that the flexibility of the device is improved, and convenience is brought to the installation or the disassembly of the middle pipe.

The utility model discloses further set up to: the mounting is including setting up the backup pad in the bed frame, the backup pad is equipped with a plurality of pneumatic cylinders that distribute along intermediate pipe axis direction circumference equidistance, each all be equipped with the clamp on the piston rod of pneumatic cylinder.

By adopting the technical scheme, an operator starts the hydraulic cylinders, and the hydraulic cylinders simultaneously push the clamps to clamp the middle pipe and fix the middle pipe; when the middle pipe needs to be moved, the clamp is driven by the hydraulic cylinder to move back and separate from the middle pipe, and the device is simple and convenient.

The utility model discloses further set up to: the driving piece comprises a supporting platform arranged on the base frame, a center roller connected to the supporting platform in a rotating mode and a traction rope wound on the center roller, a servo motor is arranged on the supporting platform, a motor shaft of the servo motor is connected with the center roller, a supporting rod penetrating through the middle pipe is arranged in the supporting ring and connected with the traction rope, and a sliding groove for the supporting rod to move is formed in the middle pipe.

By adopting the technical scheme, an operator starts the servo motor to drive the central roller to wind the traction rope, so that the support rod drives the support ring to move upwards; when the servo motor drives the rotation, the central roller releases the traction rope, and the support ring descends under the action of gravity; the operator can adjust the lifting speed of the support ring through the rotating speed of the servo motor, and control and detection precision improvement are facilitated.

The utility model discloses further set up to: the supporting platform is connected with the base frame through fastening screws.

Through adopting above-mentioned technical scheme, the detachable connection of supporting platform has reserved the space for the operator to lift the intermediate pipe off, has made things convenient for operator's work.

The utility model discloses further set up to: and the traction rope and the support rod are respectively provided with a hook and a buckle.

Through adopting above-mentioned technical scheme, during the detection, the operator will get in touch and buckle looks lock for the haulage rope links to each other with branch, and after the detection, the operator will get in touch and buckle separation, then will support the whole removal of ring, and the storage alone provides convenience to clearance, the maintenance of parts such as percentage table, guide pulley for the operator.

The utility model discloses further set up to: and a limiting block is arranged on the side wall of one end, extending out of the groove, of the measuring rod.

By adopting the technical scheme, when the aperture of the pore is too small, the measuring rod drives the limiting block to move back, so that the limiting block is abutted against the end part of the sliding rod, the sliding rod is limited to continue to move back, and the possibility that the dial indicator is damaged when exceeding the range is reduced.

The utility model discloses further set up to: the drill rod is characterized in that the base frame is provided with a plurality of sleeves, each sleeve is internally provided with a drill rod, the drill rods are provided with spiral pieces, and one end of each drill rod is provided with a baffle.

Through adopting above-mentioned technical scheme, the operator rotates the drilling rod for the flight bores into the ground in, thereby presses the sleeve subaerial through the baffle, has improved the stability that the bed frame supported.

The utility model discloses further set up to: the baffle is provided with a handle.

By adopting the technical scheme, the handle is convenient for an operator to manually rotate the drill rod, and time and labor are saved.

To sum up, the utility model discloses a beneficial technological effect does:

1. the detection device provides convenience for an operator to detect the pore diameter quality of the formed pores, can detect the formed pores with different pore diameters, and has wide application range;

2. the movement stroke of the measuring rod is limited by the limiting block, so that the dial indicator is protected; the base frame is fixed on the ground by matching the drill rod and the spiral sheet, and the support of the base frame is stabilized.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic structural diagram for embodying the drill rod and the spiral piece in the embodiment.

Fig. 4 is a schematic structural view of the present embodiment for embodying the hollow tube and the intermediate tube.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is an enlarged view at C in fig. 4.

Fig. 7 is a schematic structural diagram for embodying the limiting block in this embodiment.

In the figure, 1, a base frame; 11. a hollow tube; 12. an intermediate pipe; 13. a support ring; 14. an adjusting cylinder; 141. a camera; 15. a slide bar; 151. a groove; 16. a dial indicator; 17. a measuring rod; 171. a guide wheel; 172. a limiting block; 21. a first support; 22. a second support; 23. a stud; 24. a through groove; 25. a fixing member; 251. a support plate; 252. a hydraulic cylinder; 253. clamping a hoop; 3. a drive member; 31. a support platform; 311. a center roller; 32. a hauling rope; 33. a servo motor; 34. a strut; 341. a chute; 35. fastening screws; 36. hooking; 37. buckling; 4. a sleeve; 41. a drill stem; 42. a spiral sheet; 43. a baffle plate; 44. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a pore-forming quality detection device is disclosed, as shown in fig. 1 and fig. 3, and comprises a pedestal 1, a hollow pipe 11 vertically arranged on the pedestal 1 and a middle pipe 12 coaxially arranged in the hollow pipe 11, wherein the pedestal 1 is supported on the ground and positioned above a pore-forming hole, a plurality of sleeves 4 are arranged on the pedestal 1, a drill rod 41 is arranged in each sleeve 4, a spiral sheet 42 distributed along the length direction of the drill rod 41 is arranged on the drill rod 41, a baffle 43 is arranged at the upper end of the drill rod 41, a handle 44 is arranged on the baffle 43, an operator rotates the handle 44 to drive the drill rod 41 to rotate, so that the spiral sheet 42 is drilled into the soil body until the baffle 43 tightly presses the pedestal 1, the pedestal 1 is fixed; the middle pipe 12 is matched with the hollow pipe 11 in an inserting mode, one end of the middle pipe 12 extends into the forming hole, a fixing piece 25 used for fixing the middle pipe 12 is arranged in the base frame 1, the middle pipe 12 is connected with the supporting ring 13 in a sliding mode, and a driving piece 3 used for driving the supporting ring 13 to move along the height direction of the middle pipe 12 is arranged on the base frame 1.

As shown in fig. 4 and 5, a plurality of adjusting cylinders 14 are arranged on the side wall of the support ring 13 and are distributed along the axial direction of the support ring at equal intervals, a sliding rod 15 is connected in each adjusting cylinder 14 in a sliding manner, the sliding rod 15 moves along the radial direction of the support ring 13, a groove 151 is formed in the sliding rod 15, a dial indicator 16 and a measuring rod 17 are arranged in the groove 151, the measuring rod 17 is a light rod and is connected in the groove 151 in a sliding manner, one end of the measuring rod 17 is abutted against a measuring head of the dial indicator 16, the other end of the measuring rod 17 extends out of the groove 151, the extending end of the measuring rod is connected with a guide wheel 171 in a rotating manner, and a limit block; each adjusting cylinder 14 is provided with a camera 141 and a first support 21, the camera 141 is aligned with the dial indicator 16, each sliding rod 15 is vertically provided with a second support 22 penetrating out of the adjusting cylinder 14, the adjusting rod is provided with a through groove 24 for the second support 22 to move, the first support 21 is rotatably connected with a stud 23, and one end of the stud 23 penetrates through the second support 22 and is in threaded connection with the second support 22; the operator rotates the stud 23 to drive the second support 22 to move the slide rod 15 into the adjusting cylinder 14 or out of the adjusting cylinder 14.

As shown in fig. 2, the fixing member 25 includes a supporting plate 251 disposed in the base frame 1, the supporting plate 251 is lower than the hollow tube 11, the supporting plate 251 is provided with a plurality of hydraulic cylinders 252 circumferentially and equidistantly distributed along the axis of the intermediate tube 12, a piston rod of each hydraulic cylinder 252 is provided with a clamp 253, and the clamp 253 is adapted to the outer contour of the intermediate tube 12; an operator starts the hydraulic cylinder 252 to drive each clamp 253 to tightly abut against the middle pipe 12, so that the middle pipe 12 can be fixed conveniently and quickly.

As shown in fig. 1 and fig. 6, the driving member 3 includes a supporting platform 31 connected to the base frame 1 through a fastening screw 35 (see fig. 2), a center roller 311 located above the hollow pipe 11 is rotatably connected to the supporting platform 31, a pulling rope 32 is wound on the center roller 311, a servo motor 33 is further provided on the supporting platform 31, and a motor shaft of the servo motor 33 is coaxially connected to one end of the center roller 311 for driving the center roller 311 to wind or release the pulling rope 32; a support rod 34 penetrating through the middle tube 12 is arranged in the support ring 13, a buckle 37 and a hook 36 are respectively arranged at the end parts of the support rod 34 and the traction rope 32, the buckle 37 is positioned at the center of the support rod 34, the buckle 37 is buckled with the hook 36, a sliding groove 341 for moving the support rod 34 is formed in the middle tube 12, and one end of the sliding groove 341 extends upwards out of the middle tube 12.

The working process is as follows: when the support ring 13 is in the initial position, it is located above the aperture; an operator starts the servo motor 33 first, the center roller 311 is driven to release the traction rope 32, each measuring rod 17 is made to move into a hole, at the moment, the operator stops the servo motor 33, the stud 23 is rotated, the sliding rod 15 is pushed to move towards the outside of the adjusting cylinder 14 until the guide wheel 171 is abutted to the inner wall of the hole, the measuring rod 17 abuts against a measuring head of the dial indicator 16, a pointer of the dial indicator 16 is made to rotate by a certain angle, the operator performs zero calibration on each dial indicator 16, the camera 141 is opened after the zero calibration is finished, the servo motor 33 is restarted to continue to release the traction rope 32, the whole support ring 13 descends along the middle pipe 12 under the action of gravity, in the process, the measuring rod 17 pushes the guide wheel 171 to keep abutting against the inner wall of the hole under the action of the elastic force of the measuring head of the dial indicator 16, and the.

When the support ring 13 moves to the bottom of the pore-forming hole, the servo motor 33 rotates reversely, the central roller 311 winds the traction rope 32, the support ring 13 is pulled to move out of the pore-forming hole, an operator checks the video shot by the camera 141, and whether the pore diameter of the pore-forming hole meets the requirement or not is judged according to the display dynamic state of the dial indicator 16; if the pointer of percentage table 16 keeps unchangeable or the range of beat is less, then the pore-forming internal diameter meets the requirements, if the range of the 16 pointer beat of percentage table is too big, then the pore-forming internal diameter does not meet the requirements, if two percentage tables 16 of symmetry, the numerical value that a pointer shows increases always, another numerical value that shows reduces always, then the straightness that hangs down of pore-forming appears the skew, it is simple directly perceived, convenient operation is swift, the detection to pore-forming aperture and straightness that hangs down has been realized, and the flexible length of slide bar 15 can be adjusted according to the actual aperture of pore-forming, and wide application scope. Meanwhile, in the measuring process, if the inner diameter of the formed hole is too small, the guide wheel 171 drives the measuring rod 17 to retract under the reverse pushing of the inner wall of the formed hole, so that the limiting block 172 is propped against by the sliding rod 15, the measuring rod 17 is limited to continue retracting to prop against a measuring head of the dial indicator 16, and the protective effect on the dial indicator 16 is achieved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A pore-forming quality detection device which is characterized in that: comprises a base frame (1), a hollow pipe (11) vertically arranged on the base frame (1) and a middle pipe (12) coaxially arranged in the hollow pipe (11), a fixing piece (25) for fixing the middle pipe (12) is arranged in the base frame (1), the middle pipe (12) is externally connected with a support ring (13) in a sliding way, a plurality of adjusting cylinders (14) are circumferentially arranged on the side wall of the support ring (13) at equal intervals, each adjusting cylinder (14) is internally connected with a sliding rod (15) in a sliding way, a groove (151) is formed in the sliding rod (15), a dial indicator (16) and a measuring rod (17) are arranged in the groove (151), the measuring rod (17) is connected in the groove (151) in a sliding manner, one end of the measuring rod (17) is abutted against a measuring head of the dial indicator (16), the other end of the measuring rod is rotatably connected with a guide wheel (171), and each adjusting cylinder (14) is provided with a camera (141); adjust and be equipped with first support (21) and second support (22) on a section of thick bamboo (14) and slide bar (15) respectively, it is connected with double-screw bolt (23) to rotate on first support (21), double-screw bolt (23) one end pass second support (22) and with second support (22) threaded connection, set up logical groove (24) that supply second support (22) to remove on adjusting a section of thick bamboo (14), be equipped with driving piece (3) that are used for driving support ring (13) to go up and down on bed frame (1).

2. The pore-forming quality detecting apparatus according to claim 1, wherein: the fixing piece (25) comprises a supporting plate (251) arranged in the base frame (1), the supporting plate (251) is provided with a plurality of hydraulic cylinders (252) which are circumferentially distributed at equal intervals along the axial direction of the middle pipe (12), and piston rods of the hydraulic cylinders (252) are provided with clamping hoops (253).

3. The pore-forming quality detecting apparatus according to claim 2, wherein: drive piece (3) are including setting up support platform (31) on bed frame (1), center roller (311) and haulage rope (32) of winding on center roller (311) of rotation connection on support platform (31), be equipped with servo motor (33) on support platform (31), the motor shaft and the center roller (311) of servo motor (33) are connected, be equipped with branch (34) of passing middle pipe (12) in support ring (13), branch (34) are connected with haulage rope (32), offer spout (341) that supply branch (34) to remove on middle pipe (12).

4. The pore-forming quality detecting apparatus according to claim 3, wherein: the supporting platform (31) is connected with the base frame (1) through a fastening screw (35).

5. The pore-forming quality detecting apparatus according to claim 4, wherein: the pulling rope (32) and the support rod (34) are respectively provided with a hook (36) and a buckle (37).

6. The pore-forming quality detecting apparatus according to claim 1, wherein: and a limiting block (172) is arranged on the side wall of one end, extending out of the groove (151), of the measuring rod (17).

7. The pore-forming quality detecting apparatus according to claim 1, wherein: the drilling machine is characterized in that a plurality of sleeves (4) are arranged on the base frame (1), a drilling rod (41) is arranged in each sleeve (4), a spiral piece (42) is arranged on each drilling rod (41), and a baffle (43) is arranged at one end of each drilling rod (41).

8. The pore-forming quality detecting apparatus according to claim 7, wherein: the baffle (43) is provided with a handle (44).